Fireplace unit



FIG. 1 is a front elevational view of a fireplace unit showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view of a modified form of the fireplace unit shown in FIG. 1;

FIG. 6 is a front elevational view of a second modified form of the fireplace unit shown in FIG. 1; and

FIG. 7 is a front elevational view of a third modified form of the fireplace unit shown in FIG. 1.

It is to be understood that the top, sides and rear of the modified forms shown in FIGS. 5, 6 and 7 are the same as the top, side and rear shown in FIGS. 2, 3 and 4. 

The ornamental design for a fireplace unit, as shown and described. 